(Czech title: Komunikacní síte jako prostredek k utvarení spolecné identity. Príspevek k formování zemskeho vedomi v pozdnestredovekem Slezsku). The author is underlining in his study that a steady network of various connections existed in late medieval Silesia with the centre in Wroclaw (Breslau). Joining the network was followed by political implications and in the same time integration of Silesian dukes and local communities with the land of Silesia. New identifying factors were: common political actions and defense of the country against external dangers what strengthened feeling of being the part of the Silesian political community. These new factors either strengthened or neglected older factors as i.e. Silesian dukes' common ancestry of Piast dynasty. Particular elements of Silesian network of connections had different duties to do. Wroclaw in the middle of 15th century kept a common chancery and was sending letters. A network of Wroclaw messengers developed in 1460s. During the struggle for Bohemian Crown Wroclaw supported Matthias Corvinus, therefore connection with his court was quite frequent. Generally Wroclaw was a main source of information for other Silesian duchies. Another element of the network was Swidnica (Schwiednitz). Its representative was in Wroclaw in order to inform the authorities of Swidnica about the negotiations with Matthias Corvinus. In return Swidnica informed Wroclaw about the situation in Bohemia.
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